#include <iostream>
#include <fstream>

using namespace std;
ifstream f ("royfloyd.in");
ofstream g ("royfloyd.out");

int a[105][105],n,i,j,k;
int main()
{
    f>>n;
    for (i=1;i<=n;i++)
        for (j=1;j<=n;j++)
        {
            f>>a[i][j];
            if ((i!=j)&&(a[i][j]==0)){a[i][j]=1002;}
        }


    for (k=1;k<=n;k++)
      for (i=1;i<=n;i++)
        for (j=1;j<=n;j++)
        {
            if (a[i][j]>a[i][k]+a[k][j])
            {
                a[i][j]=a[i][k]+a[k][j];
            }
        }

    for (i=1;i<=n;i++)
    {
        for (j=1;j<=n;j++)
        {
            g<<a[i][j]<<" ";
        }
     g<<endl;
    }
}